Dermis

Question 1

Describe the dermis

Answer 1

-true skin
-has collagen, elastic fibers, fibroblasts, macrophages and fat cells
-has hair follicles, glands, nerves, and blood vessels
-has 2 layers: papillary (dermal papilla) and reticular layer

Question 2

Describe papillary layer

Answer 2

-composed of dermal papillae that project into the epidermis
-forms unique pattern that gives you fingerprints

Question 3

Describe reticular layer

Answer 3

-has dense, interlacing white collagen fibers and elastic fibers to make skin tough yet stretchable

Question 4

Describe subcutaneous layer (hypodermis)

Answer 4

-also called superficial fascia
-located deep to the dermis; forms connection between skin and other structures
-not part of skin
-thick, fat-containing tissue. Lipocytes are predominant in subcutaneous layer

Question 5

What are the functions of the subcutaneous layer (hypodermis)

Answer 5

-has adipose and some fibrous tissue
-fatty tissue protects inner organs and maintains body temperature
-blood vessels and nerves are present